2.
In the following given options which is not a permanent wielding connection?
3.
What is the most commonly used material for Gasket?
4.
What is Cloud marking in isometric indicates?
5.
Which type of 90 degree Elbow is generally used in piping
6.
Weld joint type of WNRF flange is?
7.
Stainless steel is known as acid proof steel, what is the grade?
8.
Non-return valve also known as?
9.
Valve is used in a piping system for:
10.
By using following fitting we use to make branch joint at right angle with respect to main line is?
11.
Which of the following is used to block up the pipe on one end?
12.
Which is not a flange classification according to flange facing?
13.
What is Maximum pressure rating of flange?
14.
Arithmetic Average Rough Height (AARH) is measurement for :
15.
How can flanges be classified based on face finish?
16.
what is full form of IBR in piping?
17.
What is minimum distance maintained between two weld joints?
18.
What is radius of short radius elbow?
19.
Which size onwards NB of pipe is equal to OD of pipe?
21.
We generally cut threads on GI pipes by which method?